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/* i830_drv.h -- Private header for the I830 driver -*- linux-c -*-
* Created: Mon Dec 13 01:50:01 1999 by jhartmann@precisioninsight.com
*
* Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
* Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
* All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
* Authors: Rickard E. (Rik) Faith <faith@valinux.com>
* Jeff Hartmann <jhartmann@valinux.com>
*
*/
#ifndef _I830_DRV_H_
#define _I830_DRV_H_
typedef struct drm_i830_buf_priv {
u32 *in_use;
int my_use_idx;
int currently_mapped;
void __user *virtual;
void *kernel_virtual;
} drm_i830_buf_priv_t;
typedef struct _drm_i830_ring_buffer{
int tail_mask;
unsigned long Start;
unsigned long End;
unsigned long Size;
u8 *virtual_start;
int head;
int tail;
int space;
} drm_i830_ring_buffer_t;
typedef struct drm_i830_private {
drm_map_t *sarea_map;
drm_map_t *mmio_map;
drm_i830_sarea_t *sarea_priv;
drm_i830_ring_buffer_t ring;
void * hw_status_page;
unsigned long counter;
dma_addr_t dma_status_page;
drm_buf_t *mmap_buffer;
u32 front_di1, back_di1, zi1;
int back_offset;
int depth_offset;
int front_offset;
int w, h;
int pitch;
int back_pitch;
int depth_pitch;
unsigned int cpp;
int do_boxes;
int dma_used;
int current_page;
int page_flipping;
wait_queue_head_t irq_queue;
atomic_t irq_received;
atomic_t irq_emitted;
int use_mi_batchbuffer_start;
} drm_i830_private_t;
/* i830_dma.c */
extern int i830_dma_schedule(drm_device_t *dev, int locked);
extern int i830_getbuf(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int i830_dma_init(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int i830_dma_cleanup(drm_device_t *dev);
extern int i830_flush_ioctl(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern void i830_reclaim_buffers(drm_device_t *dev, struct file *filp);
extern int i830_getage(struct inode *inode, struct file *filp, unsigned int cmd,
unsigned long arg);
extern int i830_mmap_buffers(struct file *filp, struct vm_area_struct *vma);
extern int i830_copybuf(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int i830_docopy(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern void i830_dma_quiescent(drm_device_t *dev);
extern int i830_dma_vertex(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
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